Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
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inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
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inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
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inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
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inquiry1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualified
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inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
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inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
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inquiryAcmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
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inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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inquirySupply top quality products with a reasonable price Application:api
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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inquiry1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
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inquiryPrice, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Best quality & Attractive price & Professional service; Kailiqi Biopharma is leading by professional teams for years and is qualified as the superior supplier of Merck, Novartis, Mitsui Chemicals.Kailiqi Biopharma develop produce and distribute hig
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inquiryUnited Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
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inquiry1,3-Benzodioxole-5-carboxylic acid, 7-hydroxy-, methyl ester Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fe
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inquiryKnown for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:yellow to white solid Storage:keep sealed and keep from direct light Package:According client's requirements Application:Phar
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inquiryDebyesci is here who supplied several kinds of chemical products to global pharmaceutical, drug discovery, agrochemical and biotechnology industries for four yearsOur key scientific leadership team has gained experience in top research and developmen
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inquiry1,3-Benzodioxole-5-carboxylic acid, 7-hydroxy-, methyl ester Application:1,3-Benzodioxole-5-carboxylic acid, 7-hydroxy-, methyl ester
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inquiry1,3-Benzodioxole-5-carboxylic acid, 7-hydroxy-, methyl esterAppearance:Off white to slight yellow solid Storage:Stored in shaded, cool and dry places Package:1L 5L 10L 25L bottle Application:pharma intermediate Transportation:Handle with cares to avo
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inquirymethyl 7-(benzyloxy)benzo[d][1,3]dioxole-5-carboxylate
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
With titanium tetrachloride In chloroform at 20℃; for 12h; | 90% |
With titanium tetrachloride In chloroform at 20℃; for 12h; | 90% |
With palladium 10% on activated carbon; hydrogen In ethanol |
diiodomethane
methyl galloate
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
With potassium carbonate; copper(II) oxide In N,N-dimethyl-formamide at 130℃; for 5h; Inert atmosphere; | 60% |
Stage #1: methyl galloate With sulfuric acid In methanol for 12h; Reflux; Stage #2: diiodomethane With potassium carbonate In N,N-dimethyl-formamide at 0 - 20℃; | 58% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 40h; | 49% |
With potassium carbonate In dimethyl sulfoxide at 120℃; for 1.5h; | 37% |
With potassium carbonate In N,N-dimethyl-formamide |
methyl galloate
1,2-dibromomethane
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
With potassium hydrogencarbonate In dimethyl sulfoxide at 60℃; for 1.5h; Inert atmosphere; | 55% |
methanol
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
With hydrogenchloride | |
With sulfuric acid In water Inert atmosphere; Sealed tube; Reflux; |
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 100 percent / hydrochloric acid / methanol; H2O / 2 h / 20 °C 2: 90 percent / potassium fluoride / dimethylformamide / 110 °C 3: 90 percent / TiCl4 / CHCl3 / 12 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: hydrogenchloride; water 2: palladium 10% on activated carbon; hydrogen / ethanol View Scheme |
3,4,5-trihydroxybenzoic acid
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 100 percent / sulfuric acid / 6 h / Heating 2: 98.5 percent / Amberlyst 15E / benzene / 18 h / Heating 3: 100 percent / potassium carbonate / dimethylformamide / 12 h / 70 °C 4: 100 percent / hydrochloric acid / methanol; H2O / 2 h / 20 °C 5: 90 percent / potassium fluoride / dimethylformamide / 110 °C 6: 90 percent / TiCl4 / CHCl3 / 12 h / 20 °C View Scheme | |
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: Amberlist 15E 3: potassium carbonate / N,N-dimethyl-formamide 4: hydrogenchloride; water 5: palladium 10% on activated carbon; hydrogen / ethanol View Scheme |
methyl galloate
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 98.5 percent / Amberlyst 15E / benzene / 18 h / Heating 2: 100 percent / potassium carbonate / dimethylformamide / 12 h / 70 °C 3: 100 percent / hydrochloric acid / methanol; H2O / 2 h / 20 °C 4: 90 percent / potassium fluoride / dimethylformamide / 110 °C 5: 90 percent / TiCl4 / CHCl3 / 12 h / 20 °C View Scheme | |
Multi-step reaction with 4 steps 1: Amberlist 15E 2: potassium carbonate / N,N-dimethyl-formamide 3: hydrogenchloride; water 4: palladium 10% on activated carbon; hydrogen / ethanol View Scheme |
methyl 3-(benzyloxy)-4,5-dihydroxybenzoate
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 90 percent / potassium fluoride / dimethylformamide / 110 °C 2: 90 percent / TiCl4 / CHCl3 / 12 h / 20 °C View Scheme |
2-ethoxy-7-hydroxy-benzo[1,3]dioxole-5-carboxylic acid methyl ester
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 100 percent / potassium carbonate / dimethylformamide / 12 h / 70 °C 2: 100 percent / hydrochloric acid / methanol; H2O / 2 h / 20 °C 3: 90 percent / potassium fluoride / dimethylformamide / 110 °C 4: 90 percent / TiCl4 / CHCl3 / 12 h / 20 °C View Scheme | |
Multi-step reaction with 3 steps 1: potassium carbonate / N,N-dimethyl-formamide 2: hydrogenchloride; water 3: palladium 10% on activated carbon; hydrogen / ethanol View Scheme |
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
methyl 2-bromo-3-hydroxy-4,5-methylenedioxybenzoate
Conditions | Yield |
---|---|
With 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione In chloroform at 20℃; for 10h; | 95% |
With 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione In chloroform at 20℃; for 10h; | 95% |
With N-Bromosuccinimide In tetrahydrofuran at 25℃; for 1h; regioselective reaction; | 85% |
With N-Bromosuccinimide In tetrahydrofuran at 20℃; | 79% |
homoalylic alcohol
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
Stage #1: homoalylic alcohol; methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0℃; Inert atmosphere; Stage #2: In tetrahydrofuran at 23℃; for 12h; Inert atmosphere; | 92% |
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
7-(2-Benzenesulfonyl-allyloxy)-benzo[1,3]dioxole-5-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetone at 20℃; for 12h; Alkylation; | 87% |
With potassium carbonate In acetone Ambient temperature; | 85% |
dimethyl sulfate
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
methyl 7-methoxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
Stage #1: methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate With sodium hydroxide In ethanol at 0 - 20℃; Inert atmosphere; Stage #2: dimethyl sulfate In ethanol for 5h; Inert atmosphere; Reflux; | 87% |
With potassium carbonate In N,N-dimethyl-formamide |
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
methyl iodide
methyl 7-methoxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
Stage #1: methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate With potassium carbonate In dimethyl sulfoxide at 20℃; for 0.5h; Stage #2: methyl iodide In dimethyl sulfoxide for 44h; | 84% |
4-picolylchloride hydrochloride
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 60℃; | 78% |
4-fluorobenzaldehyde
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
methyl 3-(4-formylphenoxy)-4,5-(methylenedioxy)benzoate
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 155 - 160℃; for 4h; | 72% |
benzyl bromide
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
methyl 7-(benzyloxy)benzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide for 1.5h; Ambient temperature; | 68% |
(1-cyclohexenyl)methanol
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran at 0 - 20℃; Mitsunobu Displacement; Inert atmosphere; | 57% |
2,4-dichlorophenylethyl alcohol
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
With PPh3-polystyrene; diethylazodicarboxylate In tetrahydrofuran at 20℃; Mitsunobu reaction; | |
With PPh3-polystyrene; diethylazodicarboxylate In tetrahydrofuran at 20℃; for 16h; Mitsunobu reaction; |
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: DEAD; PPh3-polystyrene / tetrahydrofuran / 16 h / 20 °C 2: aq. NaOH / dioxane / 1 h / 60 °C View Scheme | |
Multi-step reaction with 2 steps 1: DEAD; PPh3-polystyrene / tetrahydrofuran / 20 °C 2: aq. NaOH / dioxane / 60 °C View Scheme |
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: DEAD; PPh3-polystyrene / tetrahydrofuran / 16 h / 20 °C 2: aq. NaOH / dioxane / 1 h / 60 °C 3: TOTU; N-ethylmorpholine / dimethylformamide View Scheme | |
Multi-step reaction with 3 steps 1: DEAD; PPh3-polystyrene / tetrahydrofuran / 20 °C 2: aq. NaOH / dioxane / 60 °C 3: TOTU; N-ethylmorpholine / dimethylformamide View Scheme |
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 95 percent / 1,3-dibromo-5,5-dimethylhydantoin / CHCl3 / 10 h / 20 °C 2: 100 percent / potassium carbonate / dimethylformamide / 12 h / 70 °C View Scheme |
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
methyl-6-bromo-7-methoxybenzo [d] [1, 3] dioxole-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 95 percent / 1,3-dibromo-5,5-dimethylhydantoin / CHCl3 / 10 h / 20 °C 2: 95 percent / potassium carbonate / dimethylformamide / 12 h / 70 °C View Scheme | |
Multi-step reaction with 2 steps 1: N-Bromosuccinimide / tetrahydrofuran / 1 h / 25 °C 2: potassium carbonate / N,N-dimethyl-formamide; acetone / 5 h / 20 °C / Inert atmosphere; Reflux View Scheme |
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
6-Allyl-7-hydroxy-benzo[1,3]dioxole-5-carboxylic acid methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 87 percent / K2CO3; KI / acetone / 12 h / 20 °C 2: toluene / 12 h / 165 °C 3: K2CO3 / acetone / Heating 4: 86 percent / Na-Hg / methanol; ethyl acetate / 12 h / -20 °C View Scheme | |
Multi-step reaction with 4 steps 1: 85 percent / K2CO3 / acetone / Ambient temperature 2: 94 percent / 12 h / 165 °C 3: 95 percent / K2CO3 / acetone / Heating 4: 87 percent / Na-Hg / methanol; ethyl acetate / -20 °C View Scheme |
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
5-Allyl-6-(1-hydroxy-1-methyl-ethyl)-benzo[1,3]dioxol-4-ol
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 87 percent / K2CO3; KI / acetone / 12 h / 20 °C 2: toluene / 12 h / 165 °C 3: K2CO3 / acetone / Heating 4: 86 percent / Na-Hg / methanol; ethyl acetate / 12 h / -20 °C 5: 90 percent / LiBr / tetrahydrofuran / 12 h / -78 - 0 °C View Scheme | |
Multi-step reaction with 5 steps 1: 85 percent / K2CO3 / acetone / Ambient temperature 2: 94 percent / 12 h / 165 °C 3: 95 percent / K2CO3 / acetone / Heating 4: 87 percent / Na-Hg / methanol; ethyl acetate / -20 °C 5: 90 percent / LiBr / tetrahydrofuran / 12 h View Scheme |
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
6-Allyl-7-(1,1-dimethyl-prop-2-ynyloxy)-benzo[1,3]dioxol-5-ol
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: 87 percent / K2CO3; KI / acetone / 12 h / 20 °C 2: toluene / 12 h / 165 °C 3: K2CO3 / acetone / Heating 4: 86 percent / Na-Hg / methanol; ethyl acetate / 12 h / -20 °C 5: 90 percent / LiBr / tetrahydrofuran / 12 h / -78 - 0 °C 6: DBU; CuCl2*H2O / acetonitrile / 24 h / 20 °C 7: 85 percent / H2SO4; aq. H2O2 / CH2Cl2 / 0.17 h / 0 °C View Scheme | |
Multi-step reaction with 7 steps 1: 85 percent / K2CO3 / acetone / Ambient temperature 2: 94 percent / 12 h / 165 °C 3: 95 percent / K2CO3 / acetone / Heating 4: 87 percent / Na-Hg / methanol; ethyl acetate / -20 °C 5: 90 percent / LiBr / tetrahydrofuran / 12 h 6: 73 percent / KI, K2CO3 / acetone / 48 h / 60 °C 7: 85 percent / H2O2, H2SO4 / CH2Cl2 / 0.17 h View Scheme |
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
2-[6-Allyl-7-(1,1-dimethyl-prop-2-ynyloxy)-benzo[1,3]dioxol-5-yl]-propan-2-ol
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 87 percent / K2CO3; KI / acetone / 12 h / 20 °C 2: toluene / 12 h / 165 °C 3: K2CO3 / acetone / Heating 4: 86 percent / Na-Hg / methanol; ethyl acetate / 12 h / -20 °C 5: 90 percent / LiBr / tetrahydrofuran / 12 h / -78 - 0 °C 6: DBU; CuCl2*H2O / acetonitrile / 24 h / 20 °C View Scheme | |
Multi-step reaction with 6 steps 1: 85 percent / K2CO3 / acetone / Ambient temperature 2: 94 percent / 12 h / 165 °C 3: 95 percent / K2CO3 / acetone / Heating 4: 87 percent / Na-Hg / methanol; ethyl acetate / -20 °C 5: 90 percent / LiBr / tetrahydrofuran / 12 h 6: 73 percent / KI, K2CO3 / acetone / 48 h / 60 °C View Scheme |
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
6-(2-Benzenesulfonyl-allyl)-7-hydroxy-benzo[1,3]dioxole-5-carboxylic acid methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 87 percent / K2CO3; KI / acetone / 12 h / 20 °C 2: toluene / 12 h / 165 °C View Scheme | |
Multi-step reaction with 2 steps 1: 85 percent / K2CO3 / acetone / Ambient temperature 2: 94 percent / 12 h / 165 °C View Scheme |
methyl 7-hydroxybenzo[d][1,3]dioxole-5-carboxylate
7-Benzenesulfonyl-7,8-dihydro-6H-[1,3]dioxolo[4,5-h]chromene-5-carboxylic acid methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 87 percent / K2CO3; KI / acetone / 12 h / 20 °C 2: toluene / 12 h / 165 °C 3: K2CO3 / acetone / Heating View Scheme | |
Multi-step reaction with 3 steps 1: 85 percent / K2CO3 / acetone / Ambient temperature 2: 94 percent / 12 h / 165 °C 3: 95 percent / K2CO3 / acetone / Heating View Scheme |
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